# NTSB investigations: Predisposing condition

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 2 · 56 cases

## Latest cases

- [NTSB WPR24FA104](https://openairdocs.org/ntsb/WPR24FA104.md): Kolb Firestar KXP · Cave Junction, OR · Accident · 1 fatal · Class 3 · Field · Final report · Mar 7, 2024 · N4443G · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during a turn, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's use of potentially impairing substances with bipolar disorder, which resulted in a decreased…
- [NTSB WPR24FA080](https://openairdocs.org/ntsb/WPR24FA080.md): Swanson R/Swanson S RV-6 · Concord, CA · Accident · 1 fatal · Class 3 · Field · Final report · Jan 30, 2024 · N30AK · Substantial damage
  > A total loss of engine power during takeoff due to a separated fuel line and the pilot’s subsequent failure to maintain control of the airplane. Contributing to the accident were the pilot's medical condition and the effects of multiple impairing substances.
- [NTSB WPR24LA003](https://openairdocs.org/ntsb/WPR24LA003.md): Cessna 340A · Hayward, CA · Accident · No injuries · Class 3 · Limited · Final report · Oct 2, 2023 · N121CB · Substantial damage
  > The pilot’s sudden incapacitation from effects of a previously undiagnosed underlying heart disease, which resulted in his loss of control of the airplane and subsequent impact with terrain.
- [NTSB CEN23FA183](https://openairdocs.org/ntsb/CEN23FA183.md): Robinson R22 Beta · Brady, TX · Incident · 1 fatal · Class 3 · Field · Final report · May 14, 2023 · N40506 · Substantial damage
  > The non-certificated pilot’s failure to ensure the collective friction control was adequately engaged during an on-ground engine run, which resulted in the helicopter inadvertently becoming airborne. Contributing to the crash were the pilot’s various physical…
- [NTSB CEN23FA050](https://openairdocs.org/ntsb/CEN23FA050.md): Cessna 170 · Gage, OK · Accident · 2 fatal · Class 3 · Field · Final report · Nov 28, 2022 · N2710D · Destroyed
  > The non-certificated pilots’ loss of airplane control, resulting in an impact with terrain during final approach. Contributing to the accident was the airplane owner’s impairment due to his use of ethanol and depressant medications, in combination with his…
- [NTSB ERA19LA197](https://openairdocs.org/ntsb/ERA19LA197.md): Piper PA32 · Crisfield, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 15, 2019 · N2750Q · Substantial damage
  > The pilot's sudden incapacitation from an undiagnosed cardiac arrhythmia while on final approach, which resulted in descent and collision with trees and terrain.
- [NTSB WPR19LA013](https://openairdocs.org/ntsb/WPR19LA013.md): Robinson R44 · Kaneohe, HI · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 23, 2018 · N4132H · Substantial damage
  > The pilot’s sudden incapacitation from an undiagnosed heart condition during flight, which resulted in a hard landing.
- [NTSB ERA18FA006](https://openairdocs.org/ntsb/ERA18FA006.md): Piper PA 25-235 · Front Royal, VA · Accident · 1 fatal · Field investigation · Final report · Oct 7, 2017 · N90866 · Destroyed
  > The tow plane pilot's loss of airplane control for reasons that could not be determined based on the available evidence. Contributing to the accident was the glider instructor's diversion of attention away from the tow airplane which resulted in his delay in…
- [NTSB ERA18FA005](https://openairdocs.org/ntsb/ERA18FA005.md): Bryant C Crosby BC Ultra PUP · Bardstown, KY · Accident · 1 fatal · Field investigation · Final report · Oct 5, 2017 · N484HC · Substantial damage
  > The pilot's improper decision to initiate a flight in an airplane he had never flown and with no currency in any airplane nor a medical certificate, which resulted in his loss of airplane control. Contributing to the accident was the pilot's psychiatric…
- [NTSB ERA17FA211](https://openairdocs.org/ntsb/ERA17FA211.md): Buckeye Powered Parachutes Dream Machine 582 · Federalsburg, MD · Accident · 1 fatal · Field investigation · Final report · Jun 25, 2017 · N50130 · Substantial damage
  > The pilot's failure to maintain aircraft control during takeoff, which resulted in a collision with power lines. Contributing to the accident was the pilot's lack of experience in powered parachutes.
- [NTSB CEN17FA164](https://openairdocs.org/ntsb/CEN17FA164.md): Bellanca 17 31ATC · Boonville, MO · Accident · 2 fatal · Field investigation · Final report · Apr 24, 2017 · N787TV · Substantial damage
  > The pilot's impairment, due to his use of a combination of psychoactive drugs and a vision deficiency in his left eye, which resulted in a failure to maintain adequate altitude during final approach to landing and subsequent collision with power lines.
- [NTSB CEN17FA132](https://openairdocs.org/ntsb/CEN17FA132.md): Cessna 210B · Opal, SD · Accident · 1 fatal · Field investigation · Final report · Mar 16, 2017 · N9581X · Destroyed
  > The pilot's loss of airplane control for reasons that could not be determined due to a lack of evidence.
- [NTSB WPR17FA044](https://openairdocs.org/ntsb/WPR17FA044.md): Cessna 182 · Dabob, WA · Accident · 4 fatal · Field investigation · Final report · Dec 30, 2016 · N52388 · Substantial damage
  > The non-instrument-rated pilot's decision to continue a night visual flight rules into instrument flight rules conditions, which resulted in spatial disorientation and a loss of airplane control. Contributing to the accident was the pilot's failure to obtain…
- [NTSB ERA16FA297](https://openairdocs.org/ntsb/ERA16FA297.md): Heberlein Ronald Vans RV 9A · Sebring, FL · Accident · 1 fatal · Field investigation · Final report · Aug 24, 2016 · N379RV · Destroyed
  > The pilot's failure to maintain clearance from terrain.
- [NTSB CEN16LA312](https://openairdocs.org/ntsb/CEN16LA312.md): Air Tractor AT-502B · Hickory Ridge, AR · Accident · 1 fatal · Limited investigation · Final report · Aug 8, 2016 · N634LA · Substantial damage
  > The pilot's failure to maintain clearance from a transmission line while maneuvering at low altitude.
- [NTSB CEN16FA276](https://openairdocs.org/ntsb/CEN16FA276.md): Piper PA 30 · Plainfield, IL · Accident · 1 fatal · Field investigation · Final report · Jul 21, 2016 · N7409Y · Destroyed
  > The pilot's failure to maintain airplane control during an en route climb near convective activity, which resulted in an aerodynamic stall, an uncontrolled descent, and a subsequent in-flight breakup due to an exceedance of the airplane's design load…
- [NTSB ERA16FA215](https://openairdocs.org/ntsb/ERA16FA215.md): Piper PA31 · State College, PA · Accident · 2 fatal · Field investigation · Final report · Jun 16, 2016 · N3591P · Destroyed
  > The pilot's decision to continue an unstabilized instrument approach in instrument meteorological conditions, which resulted in controlled flight into terrain.
- [NTSB ERA16LA201](https://openairdocs.org/ntsb/ERA16LA201.md): Criquet Aviation Bogota Columb Storch FI-156 · Fordsville, KY · Accident · 1 fatal · Limited investigation · Final report · May 30, 2016 · N429BB · Destroyed
  > The steep descent to ground impact for reasons that could not be determined based on the available evidence.
- [NTSB ERA16FA141](https://openairdocs.org/ntsb/ERA16FA141.md): Cessna 172N · Charleston, WV · Accident · 1 fatal · Field investigation · Final report · Mar 26, 2016 · N6238D · Substantial damage
  > The flight instructor's failure to ensure that her seat was properly secured before initiating the takeoff, which resulted in a subsequent loss of control. Contributing was the lack of an installed secondary seat stop.
- [NTSB CEN16FA114](https://openairdocs.org/ntsb/CEN16FA114.md): Ohlgren RV 6A · Abilene, TX · Accident · 2 fatal · Field investigation · Final report · Mar 1, 2016 · N419B · Destroyed
  > The pilot's failure to maintain airplane control during takeoff, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall/spin. Contributing to the accident was the pilot's impairment due to his combined use of central…
- [NTSB ERA16FA012](https://openairdocs.org/ntsb/ERA16FA012.md): Piper PA 28-180 · Lake Worth, FL · Accident · 2 fatal · Field investigation · Final report · Oct 13, 2015 · N57312 · Destroyed
  > A loss of control for reasons that could not be determined based on the available information.
- [NTSB ERA16FA001](https://openairdocs.org/ntsb/ERA16FA001.md): Piper PA32R · Westminster, SC · Accident · 4 fatal · Field investigation · Final report · Oct 2, 2015 · N782TM · Destroyed
  > The pilot's loss of airplane control for reasons that could not be determined based on the available information.
- [NTSB CEN15FA426](https://openairdocs.org/ntsb/CEN15FA426.md): Jones Ralph D Zodiac CH 601 HD · Ama, LA · Accident · 1 fatal · Field investigation · Final report · Sep 26, 2015 · N401 · Substantial damage
  > The pilot's failure to maintain adequate airspeed and his exceedance of the airplane's critical angle of attack following a loss of engine power for reasons that could not be determined based on available evidence, which resulted in an aerodynamic stall and…
- [NTSB CEN15FA331](https://openairdocs.org/ntsb/CEN15FA331.md): Air Tractor AT 602 · Wilmot, AR · Accident · 1 fatal · Field investigation · Final report · Aug 1, 2015 · N6007N · Substantial damage
  > The pilot's inability to maintain control of the airplane as a result of incapacitation by drug effects or an acute cardiac event.
- [NTSB ERA15FA245](https://openairdocs.org/ntsb/ERA15FA245.md): Czech Sport Piper Sport · Holly Ridge, NC · Accident · 1 fatal · Field investigation · Final report · Jun 21, 2015 · N35EP · Substantial damage
  > The pilot’s failure to maintain airplane control after the cockpit canopy opened during initial climb. Contributing to the accident was the pilot’s failure to securely lock the canopy before takeoff.
- [NTSB CEN15FA277](https://openairdocs.org/ntsb/CEN15FA277.md): Northwing Design Apache Sport · Taos, NM · Accident · 1 fatal · Field investigation · Final report · Jun 18, 2015 · N51311 · Substantial damage
  > The powered-lift aircraft's departure from controlled flight for reasons that could not be determined from the available information.
- [NTSB CEN15LA253](https://openairdocs.org/ntsb/CEN15LA253.md): Schleicher ASW27 - 18E · Lamy, NM · Accident · 1 fatal · Limited investigation · Final report · Jun 3, 2015 · N297JS · Destroyed
  > A loss of glider control for reasons that could not be determined based on the available evidence and the glider’s severe fragmentation.
- [NTSB ERA14LA363](https://openairdocs.org/ntsb/ERA14LA363.md): Temco GC 1B · Yulee, FL · Accident · 1 fatal · Limited investigation · Final report · Jul 28, 2014 · N1CY · Substantial damage
  > The pilot’s failure to maintain airplane control, which resulted in subsequent impact with terrain.
- [NTSB CEN14LA372](https://openairdocs.org/ntsb/CEN14LA372.md): Jonker Sailplanes JS1-C · Wallis, TX · Accident · 1 fatal · Limited investigation · Final report · Jul 13, 2014 · N60XJ · Substantial damage
  > The pilot’s loss of glider control and its subsequent impact with terrain for reasons that could not be determined due to a lack of available information.
- [NTSB ERA14LA290](https://openairdocs.org/ntsb/ERA14LA290.md): Cameron Balloons US Z-225 · Spring City, PA · Accident · 1 fatal · Limited investigation · Final report · Jun 15, 2014 · N65625 · No damage
  > The pilot's fall from the balloon’s basket during touchdown in a field for reasons that could not be determined based on the available evidence, which resulted in his fatal injury.
- [NTSB CEN14FA286](https://openairdocs.org/ntsb/CEN14FA286.md): Bell 206 L4 · South Timbalier Platform · Accident · 2 fatal · Field investigation · Final report · Jun 11, 2014 · N207MY · Destroyed
  > The pilot's loss of helicopter control for reasons that could not be determined based on the available information.
- [NTSB ANC14FA030](https://openairdocs.org/ntsb/ANC14FA030.md): Robinson Helicopter R44 II · Chugiak, AK · Accident · 1 fatal · Field investigation · Final report · May 28, 2014 · N392GP · Destroyed
  > The pilot's loss of control of the helicopter due to impairment or incapacitation from a sudden, acute cardiac event.
- [NTSB WPR14LA100](https://openairdocs.org/ntsb/WPR14LA100.md): Ercoupe 415 C · Poulsbo, WA · Accident · 1 fatal · Limited investigation · Final report · Jan 20, 2014 · N2076H · Substantial damage
  > The pilot's failure to confirm that the engine oil filler cap was secured before flight, which resulted in oil exhaustion and a subsequent total loss of engine power during cruise flight.
- [NTSB ERA13LA281](https://openairdocs.org/ntsb/ERA13LA281.md): Cessna 172K · Newton, MS · Accident · 1 fatal · Limited investigation · Final report · Jun 12, 2013 · N7045G · Substantial damage
  > The student pilot's failure to increase engine power during the descent for landing when instructed to do so by the flight instructor and the flight instructor's delayed remedial action, which resulted in collision with a static wire. Contributing to the…
- [NTSB ERA13LA076](https://openairdocs.org/ntsb/ERA13LA076.md): Cassutt Sport Racer · Collegedale, TN · Accident · 1 fatal · Limited investigation · Final report · Dec 2, 2012 · N9CA · Substantial damage
  > Impact with trees and terrain during the landing approach likely due to the physiological incapacitation of the pilot.
- [NTSB CEN13LA046](https://openairdocs.org/ntsb/CEN13LA046.md): Sorensen Sprint Mxii · Groesbeck, TX · Accident · 1 fatal · Limited investigation · Final report · Nov 5, 2012 · N460JS · Minor damage
  > The pilot’s failure to maintain control of the noncertificated airplane during a go-around. Contributing to the accident was the pilot’s physical and psychological impairment.
- [NTSB CEN12LA634](https://openairdocs.org/ntsb/CEN12LA634.md): North Wing Design Apache Sport · Vermillion, SD · Accident · 1 fatal · Limited investigation · Final report · Sep 14, 2012 · N850GB · Destroyed
  > The pilot’s failure to maintain control of the weight-shift-control aircraft during initial climb, which resulted in an aerodynamic stall/spin.
- [NTSB CEN12FA170](https://openairdocs.org/ntsb/CEN12FA170.md): Mooney M20E · San Antonio, TX · Accident · 2 fatal · Field investigation · Final report · Feb 26, 2012 · N9224M · Substantial damage
  > The pilot's inadvertent overboost of the turbocharged engine during initial climb, which resulted in detonation and a partial loss of engine power followed by the pilot's failure to maintain airspeed and the instructor's delayed remedial action, which…
- [NTSB CEN12IA050](https://openairdocs.org/ntsb/CEN12IA050.md): Nusbaum Vaquero · Hebron, IL · Incident · No injuries · Incident investigation · Final report · Nov 1, 2011 · N30CY · No damage
  > The pilot’s operation of the airplane with known medical conditions and his subsequent heart attack during the flight.
- [NTSB WPR11FA241](https://openairdocs.org/ntsb/WPR11FA241.md): Cessna R172K · Cold Springs, NV · Accident · 3 fatal · Field investigation · Final report · May 29, 2011 · N9831V · Substantial damage
  > The pilot's continued visual flight rules flight into instrument meteorological conditions, which resulted in a controlled collision with terrain.
- [NTSB CEN10LA463](https://openairdocs.org/ntsb/CEN10LA463.md): Air Tractor AT-802A · Lindsay, NE · Accident · 1 fatal · Limited investigation · Final report · Aug 8, 2010 · N802BG · Destroyed
  > The loss of airplane control for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation and evidence was insufficient to definitively establish whether the…
- [NTSB ERA10LA302](https://openairdocs.org/ntsb/ERA10LA302.md): Beech 60 · Edenton, NC · Accident · 1 fatal · Limited investigation · Final report · Jun 7, 2010 · N7022D · Substantial damage
  > The flight instructor’s initiation of a simulated single engine scenario at or below the airplane’s minimum single engine control speed, resulting in a loss of airplane control. Contributing to the accident was the flight instructor’s failure to set full…
- [NTSB ERA10LA277](https://openairdocs.org/ntsb/ERA10LA277.md): Rutter Herbert G Long EZ · Wakefield, VA · Accident · 1 fatal · Limited investigation · Final report · May 21, 2010 · N91HR · Substantial damage
  > The pilot’s failure to properly align the airplane with the final approach path to the runway and his subsequent loss of control during his attempts to correct the flight path. Contributing to the accident was the pilot’s progressive cognitive decline due to…
- [NTSB CEN10LA129](https://openairdocs.org/ntsb/CEN10LA129.md): Piper PA-28-140 · Gatesville, TX · Accident · 1 fatal · Limited investigation · Final report · Feb 27, 2010 · N4218J · Destroyed
  > The pilot’s incapacitation as a result of one or more pre-existing medical conditions.
- [NTSB ERA10FA024](https://openairdocs.org/ntsb/ERA10FA024.md): Piper PA-23-250 · Summerville, SC · Accident · 4 fatal · Field investigation · Final report · Oct 21, 2009 · N62635 · Substantial damage
  > Flight into terrain for undetermined reasons.
- [NTSB WPR10FA009](https://openairdocs.org/ntsb/WPR10FA009.md): Piper PA-12 · Burlington, WA · Accident · 1 fatal · Field investigation · Final report · Oct 8, 2009 · N2087C · Substantial damage
  > The pilot's in-flight loss of control due to his failure to correctly connect the elevator control cables during the restoration/rebuild of the airplane. Contributing to this accident was the pilot's decision to perform a high-speed taxi test prior to having…
- [NTSB CEN09LA557](https://openairdocs.org/ntsb/CEN09LA557.md): Cessna 150F · Rosedale, MI · Accident · No injuries · Limited investigation · Final report · Sep 2, 2009 · N6446F · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff ground run. Contributing to the accident were the pilot's deteriorated physical and mental capabilities.
- [NTSB ERA09LA222](https://openairdocs.org/ntsb/ERA09LA222.md): Rogers Kenneth J Flaglor Scooter · Griffin, GA · Accident · Serious injuries · Limited investigation · Final report · Mar 30, 2009 · N3248Q · Substantial damage
  > A total loss of engine power due to the failure of the engine-driven fuel pump. Contributing to the accident was unsuitable terrain for a forced landing and the pilot’s preexisting medical condition.
- [NTSB ERA09LA198](https://openairdocs.org/ntsb/ERA09LA198.md): McNear Explorer Coupe · Okeechobee, FL · Accident · 1 fatal · Limited investigation · Final report · Mar 14, 2009 · N5098L · Substantial damage
  > The pilot's failure to maintain directional control of the gyrocopter while taxiing for takeoff.
- [NTSB ERA09FA022](https://openairdocs.org/ntsb/ERA09FA022.md): Robinson R22 · Dryden, NY · Accident · 1 fatal · Field investigation · Final report · Oct 16, 2008 · N943MH · Substantial damage
  > The pilot's continued visual flight into instrument meteorological conditions which resulted in controlled flight into terrain.

Next page: https://openairdocs.org/ntsb-findings/02013035/cases.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '02013035'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/02013035/cases

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.